c.a 6532 c.a 6534 - amtc.a 6534 megohmmeter 0 v k: mr - off: m: 10v 100v 25 0v 500v 25v test rel g m...

GB - User’s manual

C.A 6532C.A 6534

Megohmmeters

2

Thank you for purchasing a megohmmeter C.A 6532 or C.A 6534.

For best results from your instrument:

read these operating instructions carefully,

comply with the precautions for use.

WARNING, risk of DANGER! The operator must refer to these instructions whenever this danger symbol appears.

WARNING, risk of electric shock. The voltage applied to parts marked with this symbol may be hazardous.

Equipment protected by double insulation. Earth.

The voltage on the terminals must not exceed 700 V. Battery.

Remote control probe. Information or useful tip.

The product is declared recyclable following an analysis of the life cycle in accordance with standard ISO14040.

Chauvin Arnoux has adopted an Eco-Design approach in order to design this appliance. Analysis of the complete

lifecycle has enabled us to control and optimize the effects of the product on the environment. In particular this

appliance exceeds regulation requirements with respect to recycling and reuse.

The CE marking indicates conformity with European directives, in particular LVD and EMC.

The rubbish bin with a line through it indicates that, in the European Union, the product must undergo selective

disposal in compliance with Directive WEEE 2002/96/EC. This equipment must not be treated as household waste.

Definition of measurement categories:

Measurement category IV corresponds to measurements taken at the source of low-voltage installations.

Example: power feeders, counters and protection devices.

Measurement category III corresponds to measurements on building installations.

Example: distribution panel, circuit-breakers, machines or fixed industrial devices

Measurement category II corresponds to measurements taken on circuits directly connected to low-voltage installations.

Example: power supply to electro-domestic devices and portable tools.

> 700V

3

PRECAUTIONS FOR USE

This instrument is compliant with safety standard IEC 61010-2-030 and the leads are compliant with IEC 61010-031, for voltages

up to 600 V in category IV or 1,000 V in category III.

Failure to observe the safety instructions may result in electric shock, fire, explosion, and destruction of the instrument and of

the installations.

The operator and/or the responsible authority must carefully read and clearly understand the various precautions to be taken in

use. Sound knowledge and a keen awareness of electrical hazards are essential when using this instrument.

If you use this instrument other than as specified, the protection it provides may be compromised, thereby endangering you.

The safety of any system in which this instrument might be incorporated is the responsibility of the integrator of the system.

This instrument can be used on category IV installations, for voltages not exceeding 600 VRMS with respect to earth or 700 VRMS

max between terminals.

Do not use the instrument on networks of which the voltage or category exceeds those mentioned.

Observe the environmental conditions of use.

Except for voltage measurements, make no measurements on live devices.

Do not use the instrument if it seems to be damaged, incomplete, or poorly closed.

Before each use, check the condition of the insulation on the leads, housing, and accessories. Any item of which the insulation

is deteriorated (even partially) must be set aside for repair or scrapping. There is a risk of electric shock if the instrument is used

without its battery compartment cover.

Before using your instrument, check that it is perfectly dry. If it is wet, it must be thoroughly dried before it can be connected or

used.

Use only the leads and accessories supplied. The use of leads (or accessories) of a lower voltage rating or category limits the

use of the combined instrument + leads (or accessories) to the lowest category and service voltage.

When handling the leads, test probes, and crocodile clips, keep your fingers behind the physical guard.

Before removing of the battery compartment cover, make sure that the measurement leads (and accessories) are disconnected.

Replace all of the batteries at once. Use alkaline batteries.

Use personal protection equipment systematically.

All troubleshooting and metrological checks must be done by competent, accredited personnel.

4

CONTENTS

1. PRESENTATION ....................................................................................................................................................................... 5

1.1. Delivery condition ........................................................................................................................................................... 5

1.2. Accessories .................................................................................................................................................................... 6

1.3. Replacement parts ......................................................................................................................................................... 6

1.4. Description of the instruments ....................................................................................................................................... 7

1.5. Terminal block .............................................................................................................................................................. 10

1.6. Functions of the instrument ......................................................................................................................................... 10

1.7. TEST button ................................................................................................................................................................. 10

1.8. Function keys ............................................................................................................................................................... 11

1.9. Display .......................................................................................................................................................................... 11

2. USE ......................................................................................................................................................................................... 12

2.1. General ......................................................................................................................................................................... 12

2.2. Voltage measurement ................................................................................................................................................... 12

2.3. Insulation measurement ............................................................................................................................................... 13

2.4. Continuity measurement .............................................................................................................................................. 16

2.5. Resistance measurement ............................................................................................................................................. 18

2.6. Capacitance measurement (C.A 6532) ......................................................................................................................... 18

2.7. REL function .............................................................................................................................................................. 19

2.8. HOLD function ............................................................................................................................................................ 19

2.9. Backlighting .................................................................................................................................................................. 20

2.10. SET-UP ....................................................................................................................................................................... 20

2.11. Alarm function ............................................................................................................................................................ 21

2.12. Automatic stop ........................................................................................................................................................... 22

2.13. Storage ....................................................................................................................................................................... 22

2.14. Bluetooth communication .......................................................................................................................................... 24

2.15. Errors .......................................................................................................................................................................... 26

2.16. Resetting the instrument ............................................................................................................................................ 27

3. TECHNICAL CHARACTERISTICS ........................................................................................................................................ 28

3.1. General reference conditions ....................................................................................................................................... 28

3.2. Electrical characteristics............................................................................................................................................... 28

3.3. Variation in the range of use ......................................................................................................................................... 31

3.4. Intrinsic uncertainty and operating uncertainty ............................................................................................................ 33

3.5. Power supply ................................................................................................................................................................ 33

3.6. Environmental conditions ............................................................................................................................................. 33

3.7. Mechanical characteristics .......................................................................................................................................... 33

3.8. Compliance with international standards ..................................................................................................................... 34

3.9. Electromagnetic compatibility (CEM) ........................................................................................................................... 34

4. MAINTENANCE ...................................................................................................................................................................... 35

4.1. Cleaning ....................................................................................................................................................................... 35

4.2. Replacing the batteries................................................................................................................................................. 35

5. WARRANTY ........................................................................................................................................................................... 36

5

1 One C.A 6532 or C.A 6534, depending on which model was ordered.

2 Two straight/right-angle safety leads (red and black).

3 One red crocodile clip.

4 One black test probe.

5 Two wire grips (red and black).

6 Six LR6 or AA batteries.

7 One carrying case, which also allows hands-free use.

8 One CD containing the user manuals (one file per language).

9 One multilingual safety data sheet.

10 One multilingual getting started guide.

11 One CD containing the MEG software.

1. PRESENTATION

1.1. DELIVERY CONDITION

English

Safety data sheet Measuring Instrument in CAT II or CAT III or CAT IV (en)

For your safety and to avoid damage to property: Read what follows carefully and observe these precautions Read the other documents provided carefully, including any documents on the CD-ROM

Meanings of the principal symbols that may be present on your product:

CAUTION! Risk of Danger!

Refer to this safety datasheet and comply with the precautions for use.

CAUTION! Risk of electric shock!

Refer to this safety datasheet, to the user manual and comply with the precautions for use.

Current clamp: Can be applied to or removed from non-insulated or bare conductors at dangerous voltages.

Current clamp: Do not apply to or remove from conductors at dangerous voltages.

The CE marking indicates compliance with the European "Low Voltage", "EMC", "WEEE", and "RoHS" directives.

In the European Union, this product is subject to selective collection in accordance with the European WEEE directive. Do not dispose of it as ordinary waste; contact the manufacturer for information about collection points.

Earth

Double insulation

Do not dispose of the batteries as ordinary waste; take them to a collection point.

Conditions of use Temperature, Humidity: Comply with the values stated in the user manual. Altitude : 2 000 m Pollution degree : 2

Precautions for use These safety instructions must be respected to assure the personal safety and the environment of use. If you do not comply with them, there is a risk of electric shock, explosion or #re. If you use these instruments other than as speci#ed or without observing the elementary safety rules, the protection they provide may be compromised, endangering you. The safety of any system which may include these leads or accessories is the responsibility of the

assembler of the system. Each time before use, always check that the insulation of the leads or accessories is in good

condition. Any element whose insulation is damaged (even partially) must be removed from use and scrapped. A change of color of the insulating material is an indication of deterioration.

The steady-state voltages, currents, and measurement categories are marked on the instruments, on the cords, and on the accessories. Comply with these values.

Use speci#c individual safety protections when hazardous live parts can be accessible in the installation where the measure is performed

Before using your instrument, check that it is in good working order (for example, by measuring a known dangerous voltage).

If the manual states how to replace the fuse(s) of your instrument, use only the recommended fuses. Before replacing the batteries (rechargeable or not), disconnect the leads of your instrument.

The use of a measurement instrument, a lead or an accessory with a lower category or voltage downgrades the use of the assembly (instrument + lead + accessory) to the lowest category and/or operating voltage.

Using a measuring instrument in a category II or III or IV environment can be dangerous. In such measurement environments, the operators must be trained and/or accredited and/or informed of the safety measures to be taken.

Measurement categories: CAT II: Measurement category II is for measurements performed on circuits directly connected to the

low voltage installation Examples: measurements on household appliances and portable tools.

CAT III: Measurement category III is for measurement performed in the building installation Examples: distribution boards, circuit-breakers, machine or industrial equipment with permanent connection to the "xed installation.

CAT IV: Measurement category IV is for measurements performed at the source of the low-voltage installation. Example: meters and measurements on primary overcurrent protection devices and ripple control units.

Cleaning Disconnect the leads or the test accessories Use a soft cloth, dampened with soapy water. Rinse with a damp cloth and dry rapidly with a dry

cloth or forced air. Do not use alcohol, solvents, or hydrocarbons. Do not modify the leads or accessories. Any non-compliant repairs can cause risks of electric shock

or burns.

➀

➅

➄➃

➁

➂

➇

➈➉

➆

HOLD MEM SET-UP

CLR

C.A 6532MEGOHMMETER

0

100V

V

k

MR -

OFF 50V

M

TEST

REL

11

6

1.2. ACCESSORIESType 3 remote control probe

Continuity pole

Thermometer + K thermocouple, C.A 861

Thermo-hygrometer C.A 846

USB-Bluetooth adapter

DataView® software

1.3. REPLACEMENT PARTS2 straight/right-angle safety leads (red and black) 1.50 m long

2 crocodile clips (red and black)

2 test probes (red and black)

2 wire grips (red and black)

Carrying case that also allows hands-free use

For accessories and spare parts, visit our website:

www.chauvin-arnoux.com

7

HOLD MEM SET-UP

CLR

C.A 6532MEGOHMMETER

0

100V

V

k

MR -

OFF 50V

M

TEST

REL

MV DC

ACk

<>

ALARMMEM

DARPI T1T2

k nF/ kmM mAµAG VHz % G

M

HOLD REL P

G nFµF

Connection terminals.

Backlit digital display unit.

6 function keys.

Eight-position switch to choose the function or to

switch the instrument off.

TEST button to start the measurements.

1.4. DESCRIPTION OF THE INSTRUMENTS

1.4.1. C.A 6532

8

HOLD MEM SET-UP

CLR

C.A 6534MEGOHMMETER

0

V

k

MR -

OFF

M

10V

100V

250V

500V

25V

TEST

REL

GM

V DCACk

<>

ALARMMEM

kM mAµAG VHz % G

M

HOLD REL P

Connection terminals.

Backlit digital display unit.

6 function keys.

TEST button to start the measurements.

Ten-position switch to choose the function or to

switch the instrument off.

1.4.2. C.A 6534

9

1.4.3. ON THE BACK

Captive quarter-turn screw.

Battery compartment cover.

Prop.

Magnet for attachment to a metallic surface.

Non-skid pads.

10

1.5. TERMINAL BLOCKThe terminal block has one + terminal and one - terminal that can be used to connect the remote control probe (optional accessory).

> 700V

600V CAT IV

1.6. FUNCTIONS OF THE INSTRUMENT C.A 6532 and C.A 6534 megohmmeters are portable measuring instruments with digital displays. They are powered by batteries.

The C.A 6532 is designed for telecommunication applications (testing telephone lines).

The C.A 6534 is designed for applications in the electronics industry. It can also be used, with suitable probes, to test the immunity

of walls and floors to electrostatic discharges (ESD).

C.A 6532 C.A 6534

Test voltages for insulation measurements 50 V - 100 V 10 V - 25 V - 100 V -

250 V - 500 V

Calculation of ratios PI and DAR

Continuity measurement

Resistance measurement

Programmable alarms

Frequency measurement

Capacitance measurement

Distance measurement

Storage of the measurements

Bluetooth

In continuity testing, the instruments are protected against external voltages without a fuse.

1.7. TEST BUTTONThe TEST button is used to make insulation measurements.

11

1.8. FUNCTION KEYSIn general, the keys have a first function, marked on the key, obtained by a short press, and a second function, marked under

the key, obtained by a long press.

Key Function

The TIMER key is used to select the , , PI, and DAR functions.

The key is used to switch the display unit backlighting on and off.

HOLD The HOLD key is used to freeze, then unfreeze, the display of the measurement.

SET-UP The SET-UP key is used to access the parameters and information of the instrument.

0 The 0 key is used to apply compensation for the resistance of the measurement leads in continuity testing.

The ALARM key is used to activate or deactivate the alarms.

et The and keys serve:

to modify the display and to program the durations of insulation measurements,

to choose the continuity test current,

and to program the alarm thresholds.

Rel The Rel key is used to display the measurement from which a stored reference measurement is subtracted.

MEM The MEM key is used to record measurements.

CLR The CLR key is used to erase recorded measurements.

The Bluetooth key is used to transfer data recorded in the memory of the instrument to a computer using the

Bluetooth wireless connection. The Bluetooth link also serves to start insulation measurements from the PC.

1.9. DISPLAYLogarithmic bargraph to display insulation measurements.

Secondary display unit.

Main display unit.

When the measured value is below the minimum,

the instrument displays - - - - .

G nFµFMV DC

ACk

<>

ALARMMEMVAR

DARPI T1T2

k nF/ kmM mAµAG VHz % G

M

HOLD REL P

In voltage measurement, when the measurement exceeds the limit (either positive or negative), the instrument displays OL or -OL.

12

G VHz %

2. USE

2.1. GENERAL

V DCAC

G VHz

At start-up, the instrument indicates the remaining battery

life.

If the battery voltage is too low to ensure correct operation

of the instrument, it so reports.

The batteries must then be replaced (see § 4.2)), since

the battery life indication is no longer reliable.

Except for the voltage measurement, all measurements are made on devices in the power-off condition. It is therefore

necessary to check that there is no voltage on the device to be tested before making a measurement.

2.2. VOLTAGE MEASUREMENT

Set the switch to V or to one of the M positions.

Start by making sure of the proper operation of the voltage

measurement, by measuring a known voltage before each

use. For example on a power outlet.

Then, using the leads, connect the device to be tested to the

terminals of the instrument.100V

V

k

MR -

OFF 50V

M

V DCAC

G VHz

The instrument displays the voltage on the terminals. It detects whether the voltage is AC or DC and, if it is AC, the C.A 6532

also displays the frequency.

In the M settings, the symbol indicates that the voltage is too high (>

25 V) and that insulation measurements are prohibited.

If the voltage is > 15 V, continuity, resistance, and capacitance measurements

are prohibited.

13

100V

V

k

MR -

OFF 50V

M

2.3. INSULATION MEASUREMENT

Press the TEST button and hold it down until the

measurement displayed is stable.

If a voltage greater than 25 V is detected, pressing the

TEST button has no effect.

The measurement is displayed on the main display unit

and on the bargraph.

The secondary display unit indicates the test voltage

generated by the instrument.

M

G V

M

The symbol indicates that the instrument is generating a hazardous voltage (> 70 V).

The measurement results can be thrown off by the impedances of additional circuits connected in parallel or by transient

currents.

At the end of the measurement, release the TEST button. The instrument stops generating the test voltage and discharges the

device being tested. The symbol is displayed until the voltage on the device has fallen below 70 V.

Do not disconnect the leads and do not start any measurement while the symbol is displayed.

When you release the TEST button, the measurement results remain displayed (HOLD) until the next measurement, or the HOLD

key is pressed, or the instrument is switched off.

Set the switch to one of the M positions.

The test voltage you should choose depends on the voltage of the installation to be

tested. For example, for a network installation at 230 V, insulation measurements

will be made at 500 V.

V DC

Use the leads to connect the device

to be tested to the terminals of the

instrument. The device to be tested

must not be live.

Pressing the key, before or during

the measurement, changes the

secondary display unit to display the

current or the elapsed time.

TEST

> 1s

14

DAR

M

M

DAR

2.3.1. OPERATION OF THE TEST BUTTON

The TEST button is pressed to make an insulation measurement. The test voltage is generated for as long as the press is maintained.

When the button is released, the measurement stops.

In the mode, simply press the TEST button once to start the measurement, then press it a second time to stop; there is no

need to keep the button pressed. However, if you forget to stop the measurement, it will stop automatically after 15 minutes.

In the timed test mode ( , DAR, PI), simply press the TEST button once to start the measurement; it will stop automatically at

the end of the programmed time.

2.3.2. TIMER KEY

This key is active only for insulation measurements.

1st press This function is used to lock the TEST button so as not to have to keep it pressed during the

insulation measurement.

2nd press This function is used to program a test duration between 1 and 39:59 minutes. Use the and

keys to modify the value displayed.

When the time is displayed, press the key to enter programming mode. When the first digit

blinks, you can change it using the key. Press to go to the next digit and to change it.

Press one last time to validate.

3rd press PI T1T2 The PI function is used to calculate the polarization index, which is the ratio of the measurement

at T2 = 10 minutes to the measurement at T1 = 1 minute.

4th press DARPI T1T2 The DAR function (for the C.A 6532) is used to calculate the dielectric absorption ratio, which is

the ratio of the measurement at T2 = 1 minute to the measurement at T1 = 30 seconds.

5th press Exit from the function.

When one of the 3 functions, , PI, or DAR, is programmed, pressing the TEST button triggers the count down from the

programmed time. When the time has elapsed, the measurement stops and the result is displayed.

Successive presses on the key display intermediate values.

For :

the programmed time, the voltage and current at the end of the measurement.

For PI and DAR:

time T1 and the voltage, current, and insulation resistance at that time.

time T2 and the voltage, current, and insulation resistance at that time.HOLD

15

TEST

Press the TEST key to return to the voltage measurement.

V DC

When the probe is connected, the symbol is displayed.

2.3.3. REMOTE CONTROL PROBE (OPTION)

The remote control probe is used to trigger the measurement using the remoted TEST button on the probe. To use this accessory,

refer to its operating instructions.

Interpretation of the results

DAR PI Condition of insulation

DAR < 1,25 PI < 2 Poor or even dangerous

1,25 DAR < 1,6 2 PI < 4 Good

1,6 DAR 4 PI Excellent

16

Set the switch to .

100V

V

k

MR -

OFF 50V

M

Press the key to choose current measurement.

MEM

The standard requires that the measurements be made at 200 mA. But a current of 20 mA reduces the consumption of

the instrument and so increases its battery life.

2.4.1. COMPENSATION OF THE LEADS

To ensure precise measurements, it is necessary to compensate the resistance of the measurement leads.

Short-circuit the measurement leads and long-press the 0 key.

0

> 2s

M mA

The display changes to zero and the symbol is displayed. The resistance of the leads will be systematically subtracted from

all continuity measurements. If the resistance of the leads is > 10 , there is no compensation.

The compensation remains in memory until the instrument is switched off. The continuity measurement range is reduced

by the stored compensation value.

If the leads are changed with no change of compensation, the display may become negative. The instrument reports that

the compensation must be redone by displaying blinking.

2.4. CONTINUITY MEASUREMENTThe continuity measurement measures a low resistance (< 10 or 100 depending on the current) at a high current (200 or 20 mA).

17

2.4.2. ELIMINATION OF THE COMPENSATION OF THE LEADS

To eliminate the compensation of the leads, leave the leads open and long-press the 0 key.

M mA

R

The instrument makes the measurement directly. It displays the result and the

measurement current.

To obtain a continuity value per standard IEC 61557:

Make a measurement at 200 mA and note its value, R1.

Then reverse the leads and note the value R2.

Calculate the mean: R =R

1 + R

2

2

M mA

If an external voltage > 15 V appears during the continuity measurement, the instrument is protected without a fuse. The

continuity measurement is stopped and the instrument reports an error until the voltage disappears.

0

> 2s

The display indicates the resistance of the leads and the symbol goes off.

2.4.3. MAKING A MEASUREMENT

Use the leads to connect the device to be tested to the terminals of the instrument. The device to be tested must not be live.

18

100V

V

k

MR -

OFF 50V

M

Set the switch to k . As for a continuity measurement, connect the device to

be tested to the terminals of the instrument. The device

to be tested must not be live (see § 2.4.3).

2.5. RESISTANCE MEASUREMENTThe resistance measurement is made with a weak current and can measure resistances up to 1000 k .

k

2.6. CAPACITANCE MEASUREMENT (C.A 6532)

Set the switch to .

100V

V

k

MR -

OFF 50V

M

As for a continuity measurement, connect the device to

be tested to the terminals of the instrument. The device

to be tested must not be live (see § 2.4.3).

G nF

k nF/ km

The instrument displays the capacitance and the corresponding line length, computed from the programmed capacitance per

unit length.

Length = capacitance / capacitance per unit length

To program the capacitance per unit length, press the key. Then use the and keys to program a value between 40 nF/km

and 60 nF/km. Press the key to exit and confirm. The value is saved when the instrument is switched off.

19

Rmeas - Rref

Rref

M

V G

M

REL

V G

CLR

REL

2.7. REL FUNCTIONFor an insulation, resistance, or capacitance measurement, it is possible to subtract a reference value from the measured value

and display the difference.

To do this, make a measurement, then press the REL.

The measurement (Rref) is stored and subtracted from

the present measurement (Rmeas).

The main display changes to zero and the REL

symbol is displayed.

Pressing the key displays, in addition, the measured

value as a % of the stored value.%

M

REL

G

In insulation measurements, only the digital display is modified by the REL. The bargraph continues to display the true

measured value.

To exit from the REL function, it is necessary to press the REL key again or turn the switch.

2.8. HOLD FUNCTION

x 100

HOLD

Pressing the HOLD key freezes the display of the measurement. This can be done in all functions except

voltage in the M setting.

To unfreeze the display, press the HOLD key again.

It is not possible to effect a HOLD in a timed measurement ( , DAR, PI).

If the measured value is less than the stored value, the display becomes negative.

MEM

20

0

2.9. BACKLIGHTING

Pressing the key switches on the backlighting of the display unit.

To switch it off, press the key again. Otherwise, it goes off by itself at the end of one minute.

2.10. SET-UP

SET-UP

> 2sA long press on the SET-UP key is used to enter the configuration (set-up) function of the instrument.

Then use the and keys to scroll and modify the parameters.

1st press

on

The buzzer is active.

To deactivate it, press to make On blink, to change it to OFF, then to validate

the change.

The symbol disappears from the display when Set-up is exited.

2nd press

on

P

Automatic switching off is activated.

To deactivate it, press to make OFF blink, to change it to On, then to validate

the change.

The P symbol appears on the display when Set-up is exited.

3rd press

on

Display of the type of instrument.

4th press

on

Display of the internal software version.

5th press

on

Display of the version of the boards.

6th press

on

Return to the first press.

To exit from configuration, short-press the SET-UP key.

The de-activations of the buzzer and of automatic switching off are lost when the instrument is off.

21

Pressing the key activates the alarm. The alarm function

is available in insulation, resistance, and continuity

measurements.

The symbol is displayed, along with the threshold, on

the secondary display unit.

ALARM <

HOLD

While it is displayed, you can change this value using the key, except during insulation measurements.

For each position of the switch, there are 3 pre-recorded threshold values:

in continuity: < 2 , < 1 and < 0.5 .

in resistance: > 50k , > 100k and > 200k .

in insulation

10V : < 10 k , < 20 k and < 40 k .

25V : < 25 k , < 50 k and < 100 k .

50V : < 50 k , < 100 k and < 200 k .

100V : < 100 k , < 200 k and < 400 k .

250V : < 250 k , < 500 k and < 1 M .

500V : < 500 k , < 1 M and < 2 M .

MEM

The third threshold can be replaced by a user-programmed value.

If you want a specific threshold value, press the key to enter the programming function, while the threshold

value is displayed.

The > symbol starts blinking; you can change it to < using the key. This symbol indicates the direction of

the alarm threshold: < for a low threshold and > for a high threshold.

Press the key again to go to the first digit, then to the decimal point, then to the second digit, etc. down

to the unit, and one final time on the key to validate the programming of the threshold.

When the alarm threshold is crossed, i.e. when the measurement is below the low alarm threshold or above the high alarm

threshold, the instrument emits a continuous audible signal and the secondary display unit displays the crossing of the threshold.

ALARM <

M

ALARM k

M

>

2.11. ALARM FUNCTION

In the example above, the user can thus check that their continuity measurement is indeed less than 2 , just by listening, without

looking at the display unit. They can check insulation quality in the same way.

The HOLD key is also used to stop the buzzer after an alarm threshold is crossed.

A second press on the key deactivates the alarm.

22

2.12. AUTOMATIC STOPAfter 5 minutes of operation with no sign of the user’s presence (key press or rotation of the switch), the instrument switches to

standby.

Simply press any key to exit from standby. The instrument returns to the state it was in, with no loss information: value of the last

measurement, compensation of the leads, Rel, timed mode, alarm, etc.

Automatic switching off is disabled during:

insulation measurements in mode and in timed mode ( , PI, or DAR).

continuity measurements, for as long as measurements are made.

This automatic switching off can be disabled (see § 2.10).

2.13. STORAGE

2.13.1. RECORDING A MEASUREMENT

To record a measurement, it is first necessary to freeze the display using the HOLD key or to wait for the end of a timed measurement.

In insulation measurements, the measurement must be stable enough to be frozen.

HOLD

M

M

HOLD

M mAµA

> 2s

MEM

Then long-press the MEM key to store the measurement.

The measurement is recorded in the first memory slot

M

MEM

available (here, number 1).

It is recorded with all information tied to it but not

necessarily displayed at the time of storage: voltage, current, duration of tests T1 and T2 in the case of PI and DAR, etc.

The bargraph indicates the level of filling of the memory.

23

MEM

To see the other measurements, press the key. The

record number is decremented and the corresponding

measurement is displayed.

To scroll rapidly through the recorded measurements, keep

the key pressed.

HOLD

To see one particular measurement, use the key to

change the record number.

> 2s

MEM

Once the record number has been chosen, you can see all information concerning the measurement.

Long-press thee MEM key, then use the key to scroll the information.

To exit from this rereading of records, long-press MEM again.

100V

V

k

MR -

OFF 50V

M

Set the switch to MR.

CLR

REL

> 2s

Use the and , keys to select the number of the record

to be erased.

Then long-press the CLR key.

100V

V

k

MR -

OFF 50V

M


M

MEM

The instrument displays the last measurement recorded.

2.13.2. REREADING THE RECORDS

2.13.3. ERASING ONE RECORD

24

The record number blinks and the main display unit

displays CLR.

> 2s

MEM

Then long-press the MEM key to confirm the erasure.

Otherwise, to cancel, long press the CLR key again.

2.13.4. ERASING ALL RECORDS

Repeat the record erasure procedure:


Long-press the CLR key.

Press the key and the record number is replaced by ALL.

To cancel, long-press the CLR key again.

Otherwise, to confirm the erasure of all records, long-press the MEM key.

The instrument then reports that the memory is empty.

MEM

2.14. BLUETOOTH COMMUNICATIONBefore connecting your instrument for the first time, install the MEG software delivered with it.

100V

V

k

MR -

OFF 50V

M

> 2s

Set the switch to MR . Then long-press the key.

25

The PC searches its environment for Bluetooth-compatible devices. When the megohmmeter is detected, select it and click Next.

The symbol is displayed and the instrument waits for a message from the computer. When the link is set up, the symbol

starts blinking.

If your PC does not have a Bluetooth port, install a USB-Bluetooth adapter. Then, in the Windows bar, locate the Bluetooth logo,

right-click on it, and choose Add a peripheral.

If a coupling code is requested, enter 1111.

26

You can then transfer recorded data from the instrument to the computer. If you turn the switch to an insulation position, you can

transmit the measurements in real time.

To use the MEG software, refer to its help function.

To exit from the Bluetooth connection, long-press the key again, whatever the setting of the switch.

2.15. ERRORSWhile the instrument is in operation, errors may be reported. The causes of any errors must be eliminated before the instrument

can be used again.

2.15.1. PRESENCE OF A VOLTAGE BEFORE AN INSULATION MEASUREMENT

G

<M mAµA

G

If, during an insulation measurement, the value to be measured exceeds the

measurement range (which depends on the instrument and the test voltage),

the instrument so reports.

In the case of a C.A 6532 in the 100 V range, that leads to display of the screen

shown opposite.

V

Before the insulation measurement, the instrument is in voltage measurement

mode. If there is a voltage on the terminals in excess of 25 V and you try even

so to make a measurement, the instrument reports the situation.

Eliminate the voltage and resume the measurement.

2.15.2. OVERSHOOT OF RANGE DURING AN INSULATION MEASUREMENT

27

MEM

If, during a continuity, resistance, or capacitance measurement, the instrument

detects an external voltage in excess of 15 V (AC or DC), it interrupts the

measurement and displays the screen shown opposite.

You must eliminate the voltage to be able to resume the measurement.

Press the and keys simultaneously. Then turn the switch.

HOLD 0

+

100V

V

k

MR -

OFF 50V

M

2.15.3. PRESENCE OF A VOLTAGE DURING A CONTINUITY, RESISTANCE, OR CAPACITANCE MEASUREMENT

(C.A 6532)

2.15.4. MEMORY FULL

When the memory is full, it is no longer possible to record measurements and

the instrument displays the screen shown opposite.

Records must then be erased before new measurements can be recorded.

2.16. RESETTING THE INSTRUMENTIf your instrument crashes, it can be reset like a PC.

The instrument reboots.

G

DAR

With the C.A 6532, if this occurs during a DAR or PI measurement, the instrument

interrupts the measurement and displays the screen shown opposite.

28

3. TECHNICAL CHARACTERISTICS

3.1. GENERAL REFERENCE CONDITIONS

Quantity of influence Reference values

Temperature 23 ± 3 °C

Relative humidity 45 to 55% RH

Frequency DC and 45 to 65 Hz

Supply voltage8 ± 0.2V

battery life indication 58 ± 8%

Electric field 0V/m

Magnetic field < 40A/m

The intrinsic uncertainty is the error specified for the reference conditions.

The operating uncertainty includes the intrinsic uncertainty plus variations of the quantities of influence (position, supply voltage,

temperature, etc.) as defined in standard IEC-61557.

The uncertainties are expressed in % of the reading (R) and in number of display points (ct):

± (a %R + b ct)

3.2. ELECTRICAL CHARACTERISTICS

3.2.1. VOLTAGE MEASUREMENTS

Particular reference conditions

Peak factor = 1.414 in AC, sinusoidal signal

Specified measurement range 0.3 - 399.9V 400 - 700V

Resolution 0.1V 1V

Intrinsic uncertainty ± (3% + 2 ct)

Input impedance 400k

Frequency ranges DC and 15.3 at 800Hz

3.2.2. FREQUENCY MEASUREMENTS (C.A 6532)

Measurement range 15.3 - 399.9Hz 400 - 800Hz

Resolution 0.1Hz 1Hz

Intrinsic uncertainty ± (1% + 2 ct) ± (1% + 1 ct)

3.2.3. INSULATION MEASUREMENT


Capacitance in parallel on resistance: null

Measurement ranges as a function of the model of instrument

Test voltage C.A 6532 C.A 6534

10 V 2 k - 1 G

25 V 5 k - 2 G

50 V 10 k - 10 G

100 V 20 k - 20 G 20 k - 10 G

250 V 50 k - 25 G

500 V 100 k - 50 G

29

Intrinsic uncertainty

Test voltage (UN) 10V - 25V - 50V - 100V - 250V - 500V

Specified measurement

range

2 - 999 k et

1.000 - 3.999 M

4.00 - 39.99

M

40.0 - 399.9

M

400 - 3999

M

4.00 - 39.99

G

40.0 - 50.0

G

Resolution 1 k 10 k 100 k 1 M 10 M 100 M

Intrinsic uncertainty Pour UN= 10V: ± (3% + 2 ct + 1%/100 M )

Pour UN= 25V: ± (3% + 2 ct + 0,4%/100 M )

Pour UN= 50V: ± (3% + 2 ct + 2%/G )

Pour UN= 100V: ± (3% + 2 ct + 1%/G )

Pour UN= 250V: ± (3% + 2 ct + 0,4%/G )

Pour UN= 500V: ± (3% + 2 ct + 0,2%/G )

Whatever the test voltage, for an insulation resistance 2 G , the intrinsic uncertainty is ± (3% + 2 ct).

Bargraph

Specified measurement range 0,1 M - 50 G *

Resolution 9 segments per decade

Intrinsic uncertainty ± (5% + 1 segment)

**: When the measurement range is exceeded, the whole bargraph is displayed.

Test voltage

With a test current < 1 mA, the intrinsic uncertainty on UN is -0% + 20%.

Specified measurement range 0.0 - 399.9 V 400 - 1250 V

Resolution 0.1 V 1 V


Typical discharge time after test

To go from UN to 25 V, the discharge time is < 2s/µF

Test current

Maximum test current: 2mA +0% -50%

Specified measurement

range0.01 - 39.99 µA 40.0 - 399.9 µA 0.400 - 2.000 mA

Resolution 10 nA 100 nA 1 µA


Typical test voltage vs load curve

The voltage as a function of the measured resistance takes the following form:

I = 1 mA

UN

RN = UN / 1 mA

30

The range of operation per IEC 61557 is from 100k to 2 G (see § 4.2).

3.2.4. CONTINUITY MEASUREMENTS


Inductance in series with the resistance: zero.

Specified measurement range (without

compensation of the leads)0.00 * - 10.00 0.0 * - 100.0

Resolution 10 m 100 m


Test current 200 mA 20 mA

No-load voltage 6 V

*: In the case of incorrect compensation of the leads, the instrument allows display of negative values, down to -0.05 at 200 A

and -0.5 at 20 mA.

Test current

200 mA range: 200mA (-0mA + 20mA)

20 mA range: 20mA ± 5mA

Specified measurement range 0 - 250 mA

Resolution 1 mA

Intrinsic uncertainty ± (2 % + 2 ct)

Compensation of the leads: 0 to 9.99 .

3.2.5. RESISTANCE MEASUREMENTS

Specified measurement range 0 - 3999 4.00 - 39.99 k 40.0 - 399.9 k 400 - 1000 k

Resolution 1 10 100 1 k


No-load voltage approximately 4,5 V

3.2.6. CAPACITANCE MEASUREMENTS (C.A 6532)

Capacitance

Specified measurement range 0.1 - 399.9 nF 400 - 3999 nF 4.00 - 10.0 µF

Resolution 0.1 nF 1 nF 10 nF


Line length

Capacitance per unit length: 40 to 60 nF/km (50 nF/km is default)

Specified measurement range 0.000 - 3.999 km 4.00 - 39.99 km 40.0 - 100.0 km

Resolution 1 m 10 m 100 m


31

3.2.7. TIMER

Specified measurement range 0:00 - 39:59

Resolution 1 s

Intrinsic uncertainty ± 1 s

3.2.8. STORAGE

Number of records: 1,300.

3.2.9. BLUETOOTH

Bluetooth 2.1

Class II

Range 10 metres

3.3. VARIATION IN THE RANGE OF USE

3.3.1. VOLTAGE MEASUREMENT

Quantities of influence Range of influence Quantity influencedInfluence

Typical Maximum

Temperature -20 to + 55 °C V, F 0.3%/10 °C + 1 ct

Relative humidity 20 to 80% RH V, F 1% + 2 ct

Frequency 15.3 to 800Hz V 1% 2% + 1 ct

Supply voltage 6.6 to 9.6V V, F 0.1% + 2 ct

Common mode rejection in

AC 50/60 Hz0 to 600VAC V 50dB 40dB

3.3.2. INSULATION MEASUREMENT


Typical Maximum

Temperature -20 to + 55 °C

M

R 3G

3G < R < 10G

10G R

1%/10°C + 1pt2%/10 °C + 2 ct

3%/10 °C + 2 ct

4%/10 °C + 2 ct

UN: 10 to 500V 0.5%/10 °C + 1 ct

Measurement current 1%/10 °C + 1 ct 2%/10 °C + 2 ct


M 2% + 1 ct 3% + 2 ct

UN: 10 to 500V 1% + 2 ct

Measurement current 1% + 2 ct

Supply voltage 6.6 to 9.6V M 0.1% + 2 ct

32


Typical Maximum

50/60Hz AC voltage

superposed on the test

voltage (UN)

10V range

R 0.1G : 10V

from 0.1G to 0.3G : 0.2V

5% + 2 ct

25V range

R 0.1G : 10V

from 0.1G to 0.5G : 0.2V

50V range

R 0.1G : 4V

from 0.1G to 1G : 0.2V

100V and 250V ranges

from 100k to 10M : 20V

from 10M to 1 G : 0.3V

500V range

from 500k to 50M : 20V

from 50M to 3 G : 0.3V

Capacitance in parallel

on resistance to be

measured

0 to 5µF at 1mA M 1% + 2 ct

0 to 2µF

10V and 25V ranges

from 10k to 1 G2% + 1 ct 3% + 2 ct

50V, 100V and 250V

ranges

from 10k to 3 G

6% + 2 ct 10% + 2 ct

500V range

from 100k to 10G6% + 2 ct 10% + 2 ct

0 to 1µF

50V range, 5G

250V range,

15G

6% + 2 ct 10% + 2 ct

Common mode

rejection in AC

50/60 Hz

0 to 600VAC V 50dB 40dB

3.3.3. RESISTANCE AND CONTINUITY MEASUREMENT


Typical Maximum

Temperature -20 to + 55 °C

at 200mA 2%/10 °C + 2 ct

at 20mA 2%/10 °C + 2 ct

R 1%/10 °C + 2 ct


at 200mA 4% + 2 ct

at 20mA 4% + 2 ct

R 3% + 2 ct

Supply voltage 6.6 to 9.6V

at 200mA

at 20mA

R

0.1% + 2 ct

50/60Hz AC voltage


voltage

0.5VAC at 200mA

5% + 10 ct

For R 10 :

0.4VACat 20mA

Accepts no

perturbationsR

Common mode

rejection in AC

50/60 Hz

0 to 600VAC

at 200mA

at 20mA

R

50dB 40dB

33

3.3.4. CAPACITANCE MEASUREMENT (C.A 6532)


Typical Maximum

Temperature -20 to + 55 °C µF 0.5%/10 °C + 1 ct 1%/10 °C + 2 ct

Relative humidity 20 to 80% RH µF 1% + 2 ct

Supply voltage 6.6 to 9.6V µF 0.1% + 2 ct

50/60Hz AC voltage


voltage

0.5VAC µF 5% + 2 ct

Common mode

rejection in AC

50/60 Hz

0 to 600VAC µF 50dB 40dB

3.4. INTRINSIC UNCERTAINTY AND OPERATING UNCERTAINTYThe megohmmeters comply with standard IEC-61557, which requires that the operating uncertainty, called B, be less than 30%.

In insulation measurements, B = ± ( |A| + 1.15 E1² + E

2² + E

3² )

with A = intrinsic uncertainty

E1 = influence of the reference position ± 90°.

E2 = influence of the supply voltage within the limits indicated by the manufacturer.

E3 = influence of the temperature between 0 and 35°C.

In continuity measurement, B = ± ( |A| + 1.15 E1² + E

2² + E

3² )

3.5. POWER SUPPLYThe instrument is powered by six 1.5 V alkaline AA (LR6) batteries.

The voltage range ensuring correct operation is from 6.6 V to 9.6 V.

Life between charges

2,500 5-second insulation measurements at 500V with R = 500 k or 6,000 at 100V with R = 100 k , at the rate of one

measurement per minute.

3,000 5-second continuity measurements, at the rate of one measurement per minute.

3.6. ENVIRONMENTAL CONDITIONSIndoor use.

Range of operation specified -20 to +55 °C and 20 to 80 %RH

Range of storage (without the batteries) -30 to +80 °C and 10 to 90 %RH without condensation

Altitude <2000m

Degree of pollution 2

3.7. MECHANICAL CHARACTERISTICS Dimensions (L x W x H) 211 x 108 x 60mm

Weight approximately 850g

Inrush protection IP 54 per IEC 60529, not in operation

IK 04 per IEC 50102

Drop test per IEC 61010-1

34

3.8. COMPLIANCE WITH INTERNATIONAL STANDARDSThe device is compliant per IEC 61010-1 and IEC 61010-2-030, 600V CAT IV.

The device is compliant per IEC 61557, parts 1, 2, 4 and 10.

3.9. ELECTROMAGNETIC COMPATIBILITY (CEM)The instrument is compliant with standard IEC 61326-1.

35

4. MAINTENANCE

Except for the batteries, the instrument contains no parts that can be replaced by personnel who have not been

specially trained and accredited. Any unauthorized repair or replacement of a part by an “equivalent” may gravely

impair safety

4.1. CLEANINGDisconnect the unit completely and turn the rotary switch to OFF.

Use a soft cloth, dampened with soapy water. Rinse with a damp cloth and dry rapidly with a dry cloth or forced air. Do not use

alcohol, solvents, or hydrocarbons.

Do not use the instrument again until it is completely dry.

4.2. REPLACING THE BATTERIESWhen the symbol starts blinking on the display unit, the batteries must all be replaced.

Disconnect the unit completely and turn the rotary switch to OFF.

Use a tool or a coin to turn the quarter-turn screw of the battery compartment cover.

Remove the battery compartment cover.

Withdraw the batteries from the compartment.

Spent primary and storage batteries must not be treated as ordinary household waste. Take them to the appropriate

collection point for recycling.

Place the new batteries in the compartment, taking care with the polarity.

Put the battery compartment cover in place and screw the quarter-turn screw back in.

36

5. WARRANTY

Except as otherwise stated, our warranty is valid for twelve months starting from the date on which the equipment was sold.

Extract from our General Conditions of Sale provided on request.

The warranty does not apply in the following cases:

Inappropriate use of the equipment or use with incompatible equipment;

Modifications made to the equipment without the explicit permission of the manufacturer’s technical staff;

Work done on the device by a person not approved by the manufacturer;

Adaptation to a particular application not anticipated in the definition of the equipment or not indicated in the user’s manual;

Damage caused by shocks, falls, or floods.

FRANCE

Chauvin Arnoux Group

190, rue Championnet

75876 PARIS Cedex 18

Tél : +33 1 44 85 44 85

Fax : +33 1 46 27 73 89

[email protected]

www.chauvin-arnoux.com

INTERNATIONAL

Chauvin Arnoux Group

Tél : +33 1 44 85 44 38

Fax : +33 1 46 27 95 69

Our international contacts

www.chauvin-arnoux.com/contacts

694697A

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Ed. 2 -

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015 ©

Chauvin

Arn

oux -

All

rights

reserv

ed a

nd r

epro

duction p

rohib

ited

c.a 6532 c.a 6534 - amtc.a 6534 megohmmeter 0 v k: mr - off: m: 10v 100v 25 0v 500v 25v test rel g m...

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